This cascade circuit was obtained from old Signetics documentation. The circuit makes use of special neon lamps that act as valves. Observe the high supply voltage.
This circuit is from a 1992 publication, but can be mounted very easily today. The circuit is...
This circuit was obtained in documentation on medical applications from 1966. The circuit is used in...
If the reader still uses silk screen printing tables this is an interesting circuit found in a 1994...